28217835

素因数分解:

$3^3\times 5^1\times {\mathrm{209021}}^1$

素因数の和:209035

約数の個数: 16

約数和(自身を含む): 50165280

約数和(自身を除く): 21947445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 209021, 627063, 1045105, 1881189, 3135315, 5643567, 9405945, 28217835]

約数ペア:

[(1, 28217835), (3, 9405945), (5, 5643567), (9, 3135315), (15, 1881189), (27, 1045105), (45, 627063), (135, 209021)]